You will lead the agentic transformation of a platform crossing 7-figure ARR used by brands like Under Armour and Logitech. By architecting multi-step AI agents for creator discovery and campaign automation, you will turn manual workflows into autonomous systems, working directly alongside ex-Meta founders in a high-leverage founding engineering environment.
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Software Engineer at Reacher
Join a YC S25 startup crossing 7-figure ARR as they build the AI-powered operating system for creator marketing. Used by brands like Under Armour and Logitech, this team is replacing manual workflows with autonomous AI agents. If you have 3-8 years of experience and want to own the agentic transformation of a high-growth platform in San Francisco, this is your chance to join a founding-tier engineering team with ex-Meta pedigree.
About this role
Role overview
About the company
Reacher
YC S25 AI-native startup building the creator marketing operating system
What you'll do
What you will do
- Architect and deploy multi-step AI agents using Python and FastAPI to automate complex marketing workflows end-to-end.
- Implement sophisticated LLM orchestration frameworks to handle creator discovery, content strategy, and affiliate management.
- Iterate rapidly on production systems in a GCP environment, ensuring reliability for global enterprise brands and thousands of creators.
Who you are
Who this is a fit for
- Professional experience (3-8 years) building and shipping LLM-powered systems or AI agents in a production environment.
- Strong software engineering fundamentals in Python, with a track record of high-velocity shipping at Series A-D startups.
- Product-minded builder who thrives in high-ambiguity environments and wants to own entire features from concept to deployment.
Why this role
Why this role is remarkable
- Join a YC S25 rocket ship that is already profitable with 7-figure ARR and official TikTok Shop partner status.
- Work on cutting-edge production AI: you aren't just calling APIs, you're building autonomous agents that handle real-world creator negotiations and payouts.
- High-ownership IC role with a direct path to shaping the technical architecture and product roadmap of a category-defining startup.
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